<template>
  <div class="main user-layout-register">
    <div class="content">
      <a-icon type="arrow-left" style="cursor: pointer" @click="$router.go(-1)" />
      <span class="title">忘记密码</span>
    </div>
    <a-form ref="formRegister" :form="form" id="formRegister" @submit="handleSubmit">
      <a-form-item>
        <a-input
          size="large"
          type="text"
          placeholder="请输入账号"
          v-decorator="[
            'account',
            {
              rules: [{ required: true, message: '请输入账号' }],
              validateTrigger: ['change', 'blur']
            }
          ]"
        ></a-input>
      </a-form-item>

      <a-form-item>
        <a-input-password
          size="large"
          placeholder="请输入旧密码"
          v-decorator="[
            'pwd',
            {
              rules: [{ required: true, message: '请输入旧密码' }, { validator: this.handlePasswordCheck }],
              validateTrigger: ['change', 'blur']
            }
          ]"
        ></a-input-password>
      </a-form-item>

      <a-popover
        placement="rightTop"
        :trigger="['focus']"
        :getPopupContainer="trigger => trigger.parentElement"
        v-model="state.passwordLevelChecked"
      >
        <template slot="content">
          <div :style="{ width: '240px' }">
            <div :class="['user-register', passwordLevelClass]">{{ $t(passwordLevelName) }}</div>
            <a-progress :percent="state.percent" :showInfo="false" :strokeColor="passwordLevelColor" />
            <div style="margin-top: 10px;">
              <span>请至少输入 6 个字符。请不要使用容易被猜到的密码。</span>
            </div>
          </div>
        </template>
        <a-form-item>
          <a-input-password
            size="large"
            @click="handlePasswordInputClick"
            placeholder="请输入至少6字的新密码"
            v-decorator="[
              'newPwd',
              {
                rules: [{ required: true, message: '请输入新密码' }, { validator: this.handlePasswordLevel }],
                validateTrigger: ['change', 'blur']
              }
            ]"
          ></a-input-password>
        </a-form-item>
      </a-popover>

      <a-form-item>
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="registerBtn"
          :disabled="registerBtn"
          block
        >修改密码
        </a-button>
      </a-form-item>
    </a-form>
  </div>
</template>

<script>
import { updatePassword } from '@/api/login'
import { scorePassword } from '@/utils/util'

const levelNames = {
  0: 'user.password.strength.short',
  1: 'user.password.strength.low',
  2: 'user.password.strength.medium',
  3: 'user.password.strength.strong'
}
const levelClass = {
  0: 'error',
  1: 'error',
  2: 'warning',
  3: 'success'
}
const levelColor = {
  0: '#ff0000',
  1: '#ff0000',
  2: '#ff7e05',
  3: '#52c41a'
}
export default {
  name: '',
  components: {},
  data () {
    return {
      form: this.$form.createForm(this),

      state: {
        time: 60,
        level: 0,
        smsSendBtn: false,
        passwordLevel: 0,
        passwordLevelChecked: false,
        percent: 10,
        progressColor: '#FF0000'
      },
      registerBtn: false
    }
  },
  computed: {
    passwordLevelClass () {
      return levelClass[this.state.passwordLevel]
    },
    passwordLevelName () {
      return levelNames[this.state.passwordLevel]
    },
    passwordLevelColor () {
      return levelColor[this.state.passwordLevel]
    }
  },
  methods: {
    handlePasswordLevel (rule, value, callback) {
      if (value === '') {
        return callback()
      }
      console.log('scorePassword ; ', scorePassword(value))
      if (value.length >= 6) {
        if (scorePassword(value) >= 30) {
          this.state.level = 1
        }
        if (scorePassword(value) >= 60) {
          this.state.level = 2
        }
        if (scorePassword(value) >= 80) {
          this.state.level = 3
        }
      } else {
        this.state.level = 0
        callback(new Error(this.$t('user.password.strength.msg')))
      }
      this.state.passwordLevel = this.state.level
      this.state.percent = this.state.level * 33

      callback()
    },

    handlePasswordCheck (rule, value, callback) {
      const password = this.form.getFieldValue('password')
      // console.log('value', value)
      if (value === undefined) {
        callback(new Error(this.$t('user.password.required')))
      }
      if (value && password && value.trim() !== password.trim()) {
        callback(new Error(this.$t('user.password.twice.msg')))
      }
      callback()
    },

    handlePhoneCheck (rule, value, callback) {
      console.log('handlePhoneCheck, rule:', rule)
      console.log('handlePhoneCheck, value', value)
      console.log('handlePhoneCheck, callback', callback)

      callback()
    },

    handlePasswordInputClick () {
      if (!this.isMobile) {
        this.state.passwordLevelChecked = true
        return
      }
      this.state.passwordLevelChecked = false
    },
    handleSubmit (e) {
      console.log(e)
      e.preventDefault()
      const {
        form: { validateFields },
        state
      } = this

      state.registerBtn = true

      const validateFieldsKey = ['account', 'pwd', 'newPwd']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          const loginParams = {}
          loginParams.account = values.account
          loginParams.pwd = values.pwd
          loginParams.newPwd = values.newPwd
          console.log('login form 提交表单参数', loginParams)
          updatePassword(loginParams)
            .then(res => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.registerBtn = false
            })
        } else {
          setTimeout(() => {
            state.registerBtn = false
          }, 600)
        }
      })
    },
    loginSuccess (res) {
      this.$message.success('修改密码成功', 10)
      this.$router.push({ name: 'login' })
    },
    requestFailed (err) {
      this.$message.error('修改密码失败', 10)
      console.log('====登录失败====', err)
    }
  },
  watch: {
    'state.passwordLevel' (val) {
      console.log(val)
    }
  }
}
</script>
<style lang="less">
.user-register {
  &.error {
    color: #ff0000;
  }

  &.warning {
    color: #ff7e05;
  }

  &.success {
    color: #52c41a;
  }
}

.user-layout-register {
  .ant-input-group-addon:first-child {
    background-color: #fff;
  }
}
</style>
<style lang="less" scoped>
.login-button {
  margin: auto;
}
.content {
  position: relative;
  display: flex;
  align-items: center;
  padding: 15px 0;
  font-size: 24px;
  font-weight: 600;
}
.title {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translate(-50%);
}
.user-layout-register {
  & > h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .register-button {
    width: 50%;
  }

  .login {
    float: right;
    line-height: 40px;
  }
}
</style>
